Home / 80,239,610.32-120,367,813.56-26,391,121.36

Finding the Fourth Proportional to 80,239,610.32, 120,367,813.56 and 26,391,121.36

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Solution

The fourth proportional to 80,239,610.32, 120,367,813.56 and 26,391,121.36 is: 39,589,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,239,610.32 : 120,367,813.56 = 26,391,121.36 : x
  2. Step 2: Convert to fraction form
    80,239,610.32/120,367,813.56 = 26,391,121.36/x
  3. Step 3: Cross multiply
    80,239,610.32x = 120,367,813.56 × 26,391,121.36
  4. Step 4: Simplify right side
    80,239,610.32x = 3,176,641,575,499,813.50
  5. Step 5: Solve for x
    x = 3,176,641,575,499,813.50/80,239,610.32
  6. Step 6: Final answer
    x = 39,589,444.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.